💗 COSRX AHA 7 Whitehead Power Liquid 100 ml – 7% Glycolic Acid Exfoliant for Smoother Skin Texture
The COSRX AHA 7 Whitehead Power Liquid is a targeted AHA exfoliant containing 7% glycolic acid, which helps remove dead skin cells accumulated on the skin’s surface, refines rough, uneven texture, and brightens dull skin.
The formula is based on apple water and also contains niacinamide, panthenol, and sodium hyaluronate. Thus, the exfoliating effect is complemented by hydrating and skin-conditioning ingredients.
Due to its more concentrated acid content, it is primarily recommended for those who have already used AHA or are looking for a more targeted texture-refining step than milder, everyday acid toners.
✨ What does it do?
- Helps remove dead skin cells with 7% glycolic acid.
- Refines the appearance of rough, uneven skin surface.
- Assists in caring for whiteheads and minor surface irregularities.
- Supports a clearer, smoother, and more radiant complexion.
- Niacinamide helps promote a more even skin tone.
- Contains panthenol and hyaluronic acid for a more comfortable skin feel.
🧬 Key Ingredients
✨ 7% Glycolic Acid – AHA
A water-soluble exfoliating acid that primarily acts on the skin’s surface. It helps loosen and remove dead skin cells, making the skin appear smoother and fresher with regular use.
🍎 Apple Water
The Pyrus Malus Fruit Water is the first ingredient in the formula, enhancing the product’s refreshing and skin-conditioning effects.
✨ Niacinamide
Helps support a more even skin tone and a brighter complexion, complementing the exfoliating formula well.
💧 Panthenol + Sodium Hyaluronate
Hydrating and skin-conditioning ingredients that help maintain skin comfort alongside acid exfoliation.
🎯 Who is it for?
It is especially suitable for:
- whiteheads and minor surface irregularities,
- rough, uneven skin texture,
- dull, lacklustre skin,
- dry or combination skin,
- those familiar with acid exfoliants seeking a more targeted AHA formula.
🧴 How to use
After cleansing, soak a cotton pad with the liquid and gently wipe over the face, avoiding the eye and mouth areas.
Start by using 1–2 times per week, then gradually increase frequency if your skin tolerates it well. COSRX recommends using it 2–3 times per week in their routine.
Follow with a hydrating serum or cream to complete your routine.
☀️ When used during the day, always apply at least SPF30 broad-spectrum sunscreen.
💗 Why we love it?
Because it is a simple, targeted formula for when a mild daily exfoliating toner is no longer enough, but you don’t want a complicated acid combination.
The 7% glycolic acid primarily works on surface texture, making it especially suitable for routines aiming to refine rough skin, whiteheads, and dull complexion.
❓ Q&A
Is it recommended for beginners?
If you have never used an acid exfoliant before, it is better to start with a gentler product, such as the COSRX AHA/BHA Clarifying Treatment Toner. The AHA 7 is a more concentrated 7% glycolic acid formula.
How often should I use it?
Starting with 1–2 times per week is a good baseline. If your skin tolerates it well, you can increase to 2–3 times per week.
How is it different from the AHA/BHA Clarifying Treatment Toner?
The AHA/BHA Clarifying Treatment Toner is a very mild, everyday exfoliating toner. The AHA 7 Whitehead Power Liquid is much more concentrated and specifically designed to target uneven surface texture, dead skin cells, and whiteheads.
Can it be used with other acids or retinol in the same routine?
It is advisable to use stronger AHA/BHA exfoliants and retinol products in separate routines or on different days, especially if your skin is prone to sensitivity.








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